Senior Blockchain Software Engineer - Distributed Systems

MasterCard; Lisboa; Sur place; EUR 90 000 - 130 000; Plein temps

Résumé du poste

Mastercard in Lisbon is seeking a Senior Software Engineer for our Blockchain Team. You will design, develop, and maintain secure, scalable distributed systems that power blockchain-based products and services.

You will collaborate with cross-functional teams, mentor junior engineers, and help drive architecture decisions, CI/CD, and performance improvements in a fast-paced, security-focused environment.

Qualifications

• 5+ years of professional software engineering experience.
• Bachelor's or Master's degree in CS or Software Engineering.
• Strong Java and Spring expertise.
• Experience with REST APIs and GraphQL.
• Frontend skills with Angular.
• Cloud experience AWS or Azure.
• CI/CD, Docker, Kubernetes, and microservices.
• Excellent communication and mentoring skills.

Responsabilités

• Design, develop, and maintain blockchain platforms.
• Build secure backend services and APIs.
• Integrate with blockchain networks and cryptographic services.
• Mentor engineers and drive best practices.
• Collaborate with product, security, and operations.
• Drive CI/CD and automation.
• Ensure system reliability and performance.

Connaissances

Java

Spring

REST APIs

GraphQL

Angular

CI/CD

Docker

Kubernetes

AWS

Azure

Distributed Systems

Blockchain

Security

Leadership

Formation

Bachelor's degree

Master's degree

Outils

Docker

Kubernetes

AWS

Azure

Description du poste

Mastercard in Lisbon is seeking a Senior Software Engineer for our Blockchain Team. You will design, develop, and maintain secure, scalable distributed systems that power blockchain-based products and services.

You will collaborate with cross-functional teams, mentor junior engineers, and help drive architecture decisions, CI/CD, and performance improvements in a fast-paced, security-focused environment.